How to set max date and min date in <p:calendar />

The maxdate and mindate attribute is extremely useful for setting available date range for user selection.

e.g.
-Expiry date of an item should not be less than today.
-Date of birth should not be future date.

So how to set maxdate and mindate in PrimeFaces calendar component?

1. create the java.util.date object in backingBean

private Date currentDate = new Date();

public Date getCurrentDate() {

    return currentDate;
}

2. set the java.util.date object as mindate or maxdate

<p:calendar value="#{bean.expiryDate}" mindate="#{bean.currentDate}" />
 

<p:calendar value="#{bean.birthDate}" maxdate="#{bean.currentDate}" />

Done!!